Home / 520,136-706,476

Finding the Third Proportional to 520,136 and 706,476

Calculator

Solution

The third proportional to 520,136 and 706,476 is: 959,572.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,136 : 706,476 = 706,476 : x
  2. Step 2: Convert to fraction form
    520,136/706,476 = 706,476/x
  3. Step 3: Cross multiply
    520,136x = 706,476 × 706,476
  4. Step 4: Simplify right side
    520,136x = 499,108,338,576
  5. Step 5: Solve for x
    x = 499,108,338,576/520,136
  6. Step 6: Final answer
    x = 959,572.76

Related Problems

Find third proportional to 260,068 and 353,238
Half scale
Find third proportional to 1,040,272 and 1,412,952
Double scale
Find third proportional to 520,138 and 706,479
Similar ratio
Find third proportional to 780,204 and 1,059,714
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.